Here is the full list of all 59 Dragon's Dogma: Dark Arisen achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Defeated Death in Bitterblack Isle.
Defeated a drake, wyrm, and wyvern.
Dressed a male party member in women's clothing.
Reached LV 200.
Obtained 350 pieces total of weapons and armor.
Took refuge in an illusion.
Earned a total of 10,000,000G.
Defeated Daimon in his true form.
Defeated Daimon for the first time.
Defeated the Dark Bishop in Bitterblack Isle.
Reached LV 100.
Learned all the skills of a single vocation.
Enlisted a large number of pawns.
Gave 50 presents.
Defeated a hydra or archydra.
Defeated 3,000 enemies.
Defeated the Gazer in Bitterblack Isle.
Completed game in Speedrun mode.
Completed the adventure a second time.
Defeated the Ur-Dragon.
Obtained the almighty power of sovereignty.
Completed game in Hard Mode.
Put an end to all things.
Completed all pre-planned, non-notice board quests.
Dealt the blow of deliverance.
Soar unto a new world.
Escaped the yoke of eternity.
Visited 150 locations.
Defeated an evil eye.
Peered into the very depths of the world.
Strengthened equipment in wyrmfire.
Accepted the Godsbane blade.
Completed the urgent mission.
Entered the duke's manse.
Received the duke's commendation.
Completed 50 notice board quests.
Entered the Soulflayer Canyon.
Helped Madeleine open her shop.
Raised a person's affinity to the maximum.
Attended an audience with the duke.
Entered the southwestern caves.
Visited 100 locations.
Combined two materials to make an item.
Obtained a forgery.
Directly enlisted a pawn to your party.
Received a writ from the castle.
Changed your main pawn's vocation.
Acted as a reliable travel companion.
Entered the ancient quarry.
Visited 50 locations.
Changed your vocation.
Entered Gran Soren.
Used a Wakestone to restore the dead to life.
Entered the azure caverns.
Enlisted a pawn to your party from beyond the rift.
Earned the approval of the Enlistment Corps.
Summoned your own pawn.
Departed from Cassardis.
Completed the prologue.